Kelley Mack, ‘The Walking Dead’ Actress, Passes Away at 33 After Battle With Cancer
Kelley Mack, best known for her role as Addy in the hit AMC series The Walking Dead, has sadly passed away at the age of 33. The talented actress died on Saturday in her hometown of Cincinnati following a courageous fight with glioma of the central nervous system.
Her death has left fans, friends, and family heartbroken, as they remember her as a vibrant, passionate, and deeply creative person who touched many lives through her performances.
Rise to Fame on ‘The Walking Dead’
Kelley Mack first won audiences over in 2018 and 2019 when she appeared in The Walking Dead’s ninth season as Addy, a resident of the Hilltop Colony.
Her portrayal brought warmth and humanity to the post-apocalyptic series, earning her a dedicated following among fans.
Television Career Beyond Zombies
While The Walking Dead was her most recognised role, Mack’s career spanned various genres and formats:
Appeared in 9-1-1 (Fox) in 2019
Featured in Chicago Med (NBC) in 2022
Acted in multiple commercials for brands including Dr Pepper, Budweiser, Dairy Queen, Chick-fil-A, Ross Stores, Eli Lilly, and Rakuten (in a heart-warming ad alongside her mother)
Voice Acting and Film Achievements
Kelley was also a gifted voice actress. She served as the voice match for Hailee Steinfeld’s Gwen Stacy in the Oscar-winning Spider-Man: Into the Spider-Verse (2018). More recently, she reprised the character for a 2024 Hyundai Ioniq commercial.
Her film credits include:
Broadcast Signal Intrusion (2021)
Delicate Arch (2024)
Universal (2025) — also as Executive Producer
Early Life and Love for Storytelling
Born Kelley Lynne Klebenow on 10 July 1992, she was the eldest of three children. Her upbringing took her across various states, including Ohio, Missouri, Connecticut, North Carolina, and Illinois.
Her passion for storytelling began early, when she received a mini video camera as a birthday gift. As a child, she acted in commercials and even won an award from New York University’s Tisch School of the Arts for her role in The Elephant Garden (2008). The film went on to win the Student Visionary Award at the Tribeca Film Festival.
Education and Creative Projects
Mack graduated from Hinsdale Central High School in 2010 and earned her bachelor’s degree in Cinematography from Chapman University’s Dodge College of Film in 2014.
She collaborated with her mother to write several feature film scripts, including On the Black, a 1950s college baseball story inspired by her grandparents’ time at Ohio University.
Life Beyond the Screen
Away from acting, Kelley Mack was a multi-talented and adventurous soul. She was an accomplished college tennis player and loved:
Hiking, biking, and pickleball
Playing piano and travelling
Enjoying dark chocolate, bourbon, and popcorn
Watching and playing sports
Engaging in fantasy football
Caring for animals — both stuffed and real
Speaking in a playful British accent
Family and Tributes
She is survived by:
Parents: Kristen and Lindsay
Sister: Kathryn
Brother: Parker (also an actor)
Grandparents: Lois and Larry
Partner: Logan, described by her family as her “dearest boyfriend”
Her family described her as a “vibrant spirit” whose “creative passion and dedication to storytelling left an indelible mark on everyone she met and the audiences she inspired.”
Memorial Services
A remembrance ceremony will be held on 16 August at 1 p.m. at the Glendale Lyceum in Glendale, Ohio. Her family is also planning a celebration of her life in Los Angeles for her friends and colleagues in the industry.
References
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